Solved UPSC CDS/OTA Question
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Q · Health and Disease Medium · 45s
What is the primary function of white blood cells in the human body?
TopicHealth and Disease
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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White blood cells (leukocytes) are part of the immune system and help protect the body by fighting infections caused by bacteria, viruses, and other pathogens.
Final Answer: Option B - Fight infections